.tool_bar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow:
        rgba(0, 0, 0, 0.15) 0px 12px 40px,
        rgba(0, 0, 0, 0.1) 0px 4px 12px;
    padding: 12px;
    user-select: none;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: 0.2s;
    gap: 4px;

    .toolbar_group {
        display: flex;
        flex-direction: column;
        gap: 2px;
        position: relative;
    }

    .tool_btn {
        width: 36px;
        height: 36px;
        border: none;
        background: transparent;
        border-radius: 8px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #333;
        transition: all 0.2s ease;
        position: relative;
        font-size: 12px;
        font-weight: normal;
        text-decoration: none;
        outline: none;
        margin: 2px;
        &:hover {
            background: rgba(0, 0, 0, 0.06);
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        &.active {
            background: linear-gradient(135deg, #18a0fb, #0d8ce6);
            color: #fff;
            box-shadow: 0 2px 8px rgba(24, 160, 251, 0.3);
        }

        &.disable {
            color: #b8b8b8;
        }
    }

    .divider {
        height: 1px;
        background: rgba(0, 0, 0, 0.1);
        margin: 4px 0;
    }

    .shape_dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 8px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        padding: 4px;
        display: none;
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        z-index: 1000;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }

    .dropdown_arrow {
        position: absolute;
        bottom: 2px;
        right: 2px;
        opacity: 0.6;
    }

    .shape_group {
        position: relative;
        &:hover {
            .shape_dropdown {
                display: grid !important;
            }
        }
    }

    .import_btn {
        display: none;
    }

    &.hide {
        visibility: hidden;
    }
}
